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How to release RESET using JTAG MKII with Xplain board
I am using an ATMEL JTAGICE mkII to program an Xmega128A1 on the Xplain board via AVR studio. After programming the FLASH, the RESET seems to stay active. When closing the...
Saturday, 13 March 2010 - 08:16
use variable in two functions, but not more
Suppose I have a variable (FIFOptr) that is used in two functions, but should not be visible for other other functions. Any idea how to do this ? Below see my first way. #define...
Tuesday, 16 February 2010 - 18:29
Test optimization setting by preprocessor
Can the C-preprocessor test the optimization switch that is used. I would like to make sure that -O2 is set and that an error is generated otherwise.
Saturday, 6 February 2010 - 16:44
inlining functions saves space ?
I am currently writing a program for the ATtiny2313 and am running out of space . Now I have noticed that inlining functions makes my program shorter. For example inlining the...
Saturday, 30 January 2010 - 18:47
Electromag. Wave Demo Experiment
My son (17 years) has to make a homework/project about electromagnetic waves. It would be nice, if he could demonstrate something practical. At my work I have access to many...
Monday, 18 January 2010 - 19:33
AVR-XPLAIN schematic
Does anybody have a schematic of the AVR-XPLAIN board ?
Friday, 8 January 2010 - 14:31
What tools under LINUX
I use WINAVR under AVR-STUDIO since some years now. Now I am playing around with a LINUX (Ubuntu) PC. I have installed AVR-GCC and can compile code and flash it using avrdude. Now...
Wednesday, 6 January 2010 - 14:25
star ground
To get a good noise-bevaviour many notes suggest a star ground layout. http://www.maxim-ic.com/glossary... Now I have really found an impressive example on a audio-amplifier PCB:
Saturday, 2 January 2010 - 13:05
How many blades has your PC-fan
I am working on a new fun-project: https://www.avrfreaks.net/index.p... I have a first test-version up and running and now I want to make it more generally applicable. So far I...
Saturday, 2 January 2010 - 10:57
Synchronize to PC-Fan
Its PC-modding time again. I want to built a "strobo-light" that flashes synchronously with the fan that is illuminated. So the fan-blades seem to stand still. Or I could make...
Wednesday, 30 December 2009 - 16:30
how to get 10kHz ISP clock with STK500
I operate an ATtiny13 at 125kHz clock. So ISP frequency must be below 12.5 kHz. I run AVRstudo4 4.17 build 666 an when I try to program the AVR I can select 57.6 kHz, which is too...
Saturday, 28 November 2009 - 17:49
How to publish AVR-STUDIO GCC projects
I am going to publish an article in a journal. I will also publish some C and ASM software that belongs to this article. To publish the software there are several options: Option...
Saturday, 10 October 2009 - 13:54